sodium phenylbutyrate 500 MG Oral Tablet
sodium phenylbutyrate
RxCUI: 199369
What the CMS Formulary Data Shows for sodium phenylbutyrate 500 MG Oral Tablet
Per the CMS 2026 Part D formulary file, sodium phenylbutyrate 500 MG Oral Tablet (RxNorm concept RXCUI 199369, generic name sodium phenylbutyrate) appears on 238 distinct formulary files spanning 4,763 Medicare Part D plan offerings - 94% of enrollable Part D products, near-universal placement. Tier placement ranges from Tier 1 to Tier 6, with a cross-plan average of Tier 4.4.
Real-world access to sodium phenylbutyrate 500 MG Oral Tablet depends on utilization management as much as tier placement: 79.4% of covering formularies require prior authorization. 0% require step therapy. 0% apply quantity limits.
Historical spending context from the CMS Medicare Part D Drug Spending Dashboard shows 69 Part D beneficiaries filled sodium phenylbutyrate 500 MG Oral Tablet in 2023, with total plan-and-beneficiary spending of $3,435,632 and an average per-beneficiary annual cost of $49,791.77. The plan-by-plan detail below lists exactly which PDP and MA-PD contracts carry sodium phenylbutyrate 500 MG Oral Tablet today.
Coverage Details
- Formularies covering
- 238
- Plans covering
- 4,763
- Coverage rate
- 94%
- Tier range
- Tier 1 – Tier 6
- Average tier
- Tier 4, Non-Preferred
Restrictions
- Prior authorization required
- 79.4% of formularies
- Step therapy required
- 0% of formularies
- Quantity limits
- 0% of formularies
2023 Medicare Spending
- Beneficiaries
- 69
- Total spending
- $3,435,632
- Avg per beneficiary
- $49,791.77
Tier Distribution Across Plans
Medicare Advantage Plans (MA-PD) Covering sodium phenylbutyrate 500 MG Oral Tablet
100 Medicare Advantage plans with Part D drug coverage include this drug.
| Plan | Insurer | Tier | PA | Premium | States |
|---|---|---|---|---|---|
| Sentara Community Complete Select (HMO D-SNP) | SENTARA HEALTH PLANS | T1 | Yes | $0 | VA |
| Sentara Community Complete (HMO D-SNP) | SENTARA HEALTH PLANS | T1 | Yes | $0 | VA |
| Florida Complete Care-Duals VIP (HMO-POS D-SNP) | HPMP OF FLORIDA, INC. | T1 | Yes | $0 | FL |
| ElderServe MAP (HMO D-SNP) | ELDERSERVE HEALTH, INC. | T1 | Yes | $0 | NY |
| Cooperative Advantage (HMO D-SNP) | GROUP HEALTH COOPERATIVE OF EAU CLAIRE | T1 | Yes | $0 | WI |
| Longevity Health Plan (PPO I-SNP) | LONGEVITY HEALTH PLAN OF NEW JERSEY INSURANCE COMP | T1 | Yes | $0 | NJ |
| Mercy Care Advantage (HMO D-SNP) | MERCY CARE | T1 | Yes | $0 | AZ |
| Mercy Care Advantage (HMO D-SNP) | MERCY CARE | T1 | Yes | $0 | AZ |
| Mercy Care Advantage (HMO D-SNP) | MERCY CARE | T1 | Yes | $0 | AZ |
| Elderplan Plus Long-Term Care (HMO-POS D-SNP) | ELDERPLAN, INC. | T1 | Yes | $0 | NY |
| Health Choice Pathway (HMO D-SNP) | HEALTH CHOICE ARIZONA, INC. | T1 | Yes | $0 | AZ |
| Healthfirst CompleteCare (HMO D-SNP) | HEALTHFIRST HEALTH PLAN, INC. | T1 | Yes | $0 | NY |
| IMCare Classic (HMO D-SNP) | ITASCA MEDICAL CARE | T1 | Yes | $0 | MN |
| Johns Hopkins Advantage MD D-SNP (HMO D-SNP) | HOPKINS HEALTH ADVANTAGE, INC. | T1 | Yes | $0 | MD |
| MetroPlus UltraCare (HMO D-SNP) | METROPLUS HEALTH PLAN, INC. | T1 | Yes | $0 | NY |
| Upper Peninsula Health Plan MI Coordinated Health (HMO D-SNP) | UPPER PENINSULA HEALTH PLAN, LLC | T1 | Yes | $0 | MI |
| CareSource Dual Advantage (HMO D-SNP) | CARESOURCE GEORGIA CO. | T1 | Yes | $0 | GA |
| Senior Whole Health SCO (HMO D-SNP) | SENIOR WHOLE HEALTH, LLC | T1 | Yes | $0 | MA |
| Senior Whole Health SCO NHC (HMO D-SNP) | SENIOR WHOLE HEALTH, LLC | T1 | Yes | $0 | MA |
| Molina One Care (HMO D-SNP) | SENIOR WHOLE HEALTH, LLC | T1 | Yes | $0 | MA |
| HAP CareSource MI Coordinated Health (HMO D-SNP) | HAP CARESOURCE | T1 | Yes | $0 | MI |
| CareAdvantage (HMO D-SNP) | SAN MATEO HEALTH COMMISSION | T1 | No | $0 | CA |
| Gold Coast Health Plan Total Care Advantage (HMO D-SNP) | Ventura County Medi-Cal Managed Care Commission | T1 | Yes | $0 | CA |
| Blue Cross Medicare Advantage Dual Care Plus (HMO D-SNP) | Health Care Service Corporation | T1 | Yes | $0 | NM |
| Blue Cross MA Dual Care Plus Preferred (PPO D-SNP) | Health Care Service Corporation | T1 | Yes | $0 | NM |
| Horizon NJ TotalCare (HMO D-SNP) | HORIZON HEALTHCARE OF NEW JERSEY, INC. | T1 | Yes | $0 | NJ |
| SecureBlue (HMO D-SNP) | HMO Minnesota | T1 | Yes | $0 | MN |
| NaviCare (HMO D-SNP) | FALLON COMMUNITY HEALTH PLAN | T1 | No | $0 | MA |
| Hamaspik Medicare Choice (HMO D-SNP) | HAMASPIK, INC. | T1 | Yes | $0 | NY |
| SeniorCare Complete (HMO D-SNP) | SOUTH COUNTRY HEALTH ALLIANCE | T1 | Yes | $0 | MN |
| AbilityCare (HMO D-SNP) | SOUTH COUNTRY HEALTH ALLIANCE | T1 | Yes | $0 | MN |
| Alameda Alliance Wellness (HMO D-SNP) | ALAMEDA ALLIANCE FOR HEALTH | T1 | Yes | $0 | CA |
| CCA One Care (HMO D-SNP) | COMMONWEALTH CARE ALLIANCE, INC. | T1 | Yes | $0 | MA |
| CCA Senior Care Options (HMO D-SNP) | COMMONWEALTH CARE ALLIANCE, INC. | T1 | Yes | $0 | MA |
| Community Care's Partnership Program (HMO D-SNP) | COMMUNITY CARE HEALTH PLAN, INC. | T1 | No | $0 | WI |
| CalOptima Health OneCare Complete (HMO D-SNP) | ORANGE COUNTY HEALTH AUTHORITY | T1 | Yes | $0 | CA |
| Mass General Brigham SCO (HMO D-SNP) | MASS GENERAL BRIGHAM HEALTH PLAN, INC | T1 | Yes | $0 | MA |
| Mass General Brigham One Care (HMO D-SNP) | MASS GENERAL BRIGHAM HEALTH PLAN, INC | T1 | Yes | $0 | MA |
| Tufts Health One Care (HMO D-SNP) | TUFTS HEALTH PUBLIC PLANS, INC. | T1 | No | $0 | MA |
| Tufts Health One Care CW (HMO D-SNP) | TUFTS HEALTH PUBLIC PLANS, INC. | T1 | No | $0 | MA |
| Tufts Health Plan Senior Care Options (HMO D-SNP) | TUFTS ASSOCIATED HEALTH MAINTENANCE ORGANIZATION | T1 | No | $0 | MA |
| Tufts Health Plan Senior Care Options CW (HMO D-SNP) | TUFTS ASSOCIATED HEALTH MAINTENANCE ORGANIZATION | T1 | No | $0 | MA |
| Florida Complete Care (HMO I-SNP) | HPMP OF FLORIDA, INC. | T1 | Yes | $4.80 | FL |
| Florida Complete Care- In The Community (HMO-POS I-SNP) | HPMP OF FLORIDA, INC. | T1 | Yes | $4.80 | FL |
| Longevity Health Plan (HMO I-SNP) | LONGEVITY HEALTH PLAN OF FLORIDA, INC. | T1 | Yes | $4.80 | FL |
| Blue Cross Medicare Advantage Dual Care Plus (HMO D-SNP) | HCSC INSURANCE SERVICES COMPANY | T1 | Yes | $4.80 | TX |
| Gold Dialysis & Kidney Complete (HMO-POS C-SNP) | GOLD KIDNEY OF FLORIDA INC | T1 | Yes | $4.80 | FL |
| Blue Cross Medicare Advantage Dual Care Plus (HMO D-SNP) | GHS INSURANCE COMPANY | T1 | Yes | $5.00 | OK |
| Longevity Health Plan (HMO I-SNP) | LONGEVITY HEALTH PLAN OF MICHIGAN, INC. | T1 | Yes | $8.80 | MI |
| Longevity Health Plan (HMO I-SNP) | LONGEVITY HEALTH PLAN OF ILLINOIS, INC. | T1 | Yes | $15.20 | IL |
Frequently Asked Questions
Is sodium phenylbutyrate 500 MG Oral Tablet covered by Medicare Part D?
Yes, sodium phenylbutyrate 500 MG Oral Tablet is covered by 4,763 Medicare Part D plans (94% of all Part D formularies).
What tier is sodium phenylbutyrate 500 MG Oral Tablet on Medicare Part D plans?
sodium phenylbutyrate 500 MG Oral Tablet averages Tier 4.4 across Part D plans, ranging from Tier 1 to Tier 6.
Does sodium phenylbutyrate 500 MG Oral Tablet require prior authorization?
79.4% of Part D formularies require prior authorization for sodium phenylbutyrate 500 MG Oral Tablet. Step therapy: 0%. Quantity limits: 0%.
How much does Medicare spend on sodium phenylbutyrate 500 MG Oral Tablet?
In 2023, total Medicare Part D spending on sodium phenylbutyrate 500 MG Oral Tablet was $3,435,632, covering 69 beneficiaries. The average spend per beneficiary was $49,791.77.
Read our methodology - how this data is sourced, computed, and verified.